CSDMS models by numbers

Models, tools and components

Models, tools and components per domain

Domain	Models	Tools	Components
All domains	317	134	35
Terrestrial	164	112	11
Coastal	85	18	10
Marine	55	15	5
Hydrology	116	80	24
Geodynamic	19	5	1
Carbonates and Biogenics	1	2	0
Cryosphere	27	9	4
Climate	20	17	4

Model & tool contributions per calendar year

Year	Models	Tools	Model & Tools with DOIs
2021	282 (12)	125 (8)	147
2020	270 (32)	117 (26)	143
2019	238 (15)	91 (3)	139
2018	223 (19)	88 (4)	136
2017	204 (19)	84 (4)	123
2016	185 (10)	80 (3)	118
2015	175 (17)	77 (3)	118
2014	158 (12)	74 (1)	113
2013	146 (2)	73 (4)	109
2012	144 (18)	69 (3)	109
2011	126 (20)	66 (4)	109
2010	106 (28)	62 (34)	100
2009	78 (78)	28 (28)	61

Note: Above numbers are total submissions in the repository by the end of each year, and submissions per year between brackets).

Models per language

Program language	Count
Python	162
C	96
Fortran77	60
Matlab	68
Fortran90	60
C++	39
Java	6
IDL	3
Other	41

Note: some models can be programmed in more than 1 language

Models per operating system

Operating system	Count
Linux	346
Windows	342
Unix	318
Mac OS	311
Other	14

Note: some models can run on multiple operating systems

Are Models Cited?

There are currently 33,363 references added to the model reference repository. With this we track the total number of papers that cite a specific model, and a bibliometric rating in the form of the h-index for models: a version of the popular h-index that references a specific model rather than a unique author. The h-index metric has several benefits:

• model developers and users can expose publications with model metadata and thereby highlight their research,
• model users have an overview of all literature that is available for a model, and
• a user can, based on the h-index, quickly see whether a model is well adopted within the community.

Model	Nr. of added references	Citations	H-index	M-quotient